I am attempting to load a netcdf file in geoserver-2.8-RC1 (http://mtnweather.info/download/wrf_works.nc). With the same file loaded into netcdf-toolsUI I am able to view grids, so I would think the netcdf file might also be valid in geoserver. Upon attempting to add the store, I receive the error : Could not list layers for this store, an error occurred retrieving them. Any help in understanding and resolving this error would be greatly appreciated.
The detailed error message reported on the console is : WARN [netcdf.NetCDFGeoreferenceManager] - Unsupported axis: double lat(y=449, x=599); :axis = "Y"; :units = "degrees_north"; :long_name = "latitude"; :standard_name = "latitude"; :_CoordinateAxisType = "Lat"; in input: C:/projects/firewx/wrf_works.nc has been found WARN [netcdf.NetCDFGeoreferenceManager] - Unsupported axis: double lon(y=449, x=599); :axis = "X"; :units = "degrees_east"; :long_name = "longitude"; :standard_name = "longitude"; :_CoordinateAxisType = "Lon"; in input: C:/projects/firewx/wrf_works.nc has been found 18 Sep 06:08:17 WARN [netcdf.NetCDFFormat] - Unable to connect org.geotools.data.DataSourceException: Unable to connect at org.geotools.coverage.io.netcdf.NetCDFReader.<init>(NetCDFReader.java:158) at org.geotools.coverage.io.netcdf.NetCDFFormat.getReader(NetCDFFormat.java:95) at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1441) at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1369) .... Caused by: java.lang.NullPointerException at org.geotools.coverage.io.netcdf.crs.ProjectionBuilder.createEllipsoid(ProjectionBuilder.java:255) at org.geotools.coverage.io.netcdf.crs.NetCDFProjection.buildEllipsoid(NetCDFProjection.java:453) at org.geotools.coverage.io.netcdf.crs.NetCDFProjection.parseProjection(NetCDFProjection.java:323) at org.geotools.coverage.io.netcdf.crs.NetCDFProjection.lookForVariableCRS(NetCDFProjection.java:532) at org.geotools.imageio.netcdf.NetCDFGeoreferenceManager.extractBBOX(NetCDFGeoreferenceManager.java:261) at org.geotools.imageio.netcdf.NetCDFGeoreferenceManager.<init>(NetCDFGeoreferenceManager.java:155) at org.geotools.imageio.netcdf.NetCDFImageReader.init(NetCDFImageReader.java:443) at org.geotools.imageio.netcdf.NetCDFImageReader.setInput(NetCDFImageReader.java:258) When I look at the code for this error in geotools, it looks like this : public static Ellipsoid createEllipsoid(String name, Map<String, Number> ellipsoidParams) { Number semiMajor = null; Number semiMinor = null; Number inverseFlattening = Double.NEGATIVE_INFINITY; if (ellipsoidParams.containsKey(NetCDFUtilities.SEMI_MAJOR)) { semiMajor = ellipsoidParams.get(NetCDFUtilities.SEMI_MAJOR); } if (ellipsoidParams.containsKey(NetCDFUtilities.SEMI_MINOR)) { semiMinor = ellipsoidParams.get(NetCDFUtilities.SEMI_MINOR); } if (ellipsoidParams.containsKey(NetCDFUtilities.INVERSE_FLATTENING)) { inverseFlattening = ellipsoidParams.get(NetCDFUtilities.INVERSE_FLATTENING); } if (semiMinor != null) { return DefaultEllipsoid.createEllipsoid(name, semiMajor.doubleValue(), semiMinor.doubleValue(), SI.METER); } else { return DefaultEllipsoid.createFlattenedSphere(name, semiMajor.doubleValue(), /// --- NPE HERE semiMajor remains null. inverseFlattening.doubleValue(), SI.METER); } } Thanks! Steve Ferguson Application Developer This electronic message contains information generated by the USDA solely for the intended recipients. Any unauthorized interception of this message or the use or disclosure of the information it contains may violate the law and subject the violator to civil or criminal penalties. If you believe you have received this message in error, please notify the sender and delete the email immediately.
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